WoW will never die. They game will constantly upgrade itself and evolve/adapt to player requirements. I believe one day all games will be like WoW where there are no sequels only constantly evolving games. Nostalgia may of been a important part why a lot of WoW players feel the game is sub par nowadays and quit but it doesn't matter, even Blizzard has stated that there is a new generation playing today. They in turn will get bored yes, but a new further generation will take over them.

... there are lots of different types of players, with different amounts of time to play, and different tastes for the content and difficulty and time commitment they want to give to any of those pieces of content. The person that plays for an hour or so a few times a week is playing the same game as the person that plays five hours every night.....

I think we'll put an end to this. First, World of Warcraft is hardly dead (dead is too subjective to label any active MMO with), and two, the replies are getting out of hand. People throwing out fanboy, bads, kids...